Overview
Brought to you by YData
Dataset statistics
| Number of variables | 15 |
|---|---|
| Number of observations | 333 |
| Missing cells | 0 |
| Missing cells (%) | 0.0% |
| Duplicate rows | 0 |
| Duplicate rows (%) | 0.0% |
| Total size in memory | 39.2 KiB |
| Average record size in memory | 120.4 B |
Variable types
| Numeric | 14 |
|---|---|
| Categorical | 1 |
ID is highly overall correlated with rad and 1 other fields | High correlation |
age is highly overall correlated with crim and 7 other fields | High correlation |
crim is highly overall correlated with age and 8 other fields | High correlation |
dis is highly overall correlated with age and 6 other fields | High correlation |
indus is highly overall correlated with age and 7 other fields | High correlation |
lstat is highly overall correlated with age and 7 other fields | High correlation |
medv is highly overall correlated with age and 7 other fields | High correlation |
nox is highly overall correlated with age and 8 other fields | High correlation |
ptratio is highly overall correlated with medv | High correlation |
rad is highly overall correlated with ID and 3 other fields | High correlation |
rm is highly overall correlated with lstat and 1 other fields | High correlation |
tax is highly overall correlated with ID and 8 other fields | High correlation |
zn is highly overall correlated with age and 4 other fields | High correlation |
chas is highly imbalanced (67.2%) | Imbalance |
ID has unique values | Unique |
zn has 248 (74.5%) zeros | Zeros |
Reproduction
| Analysis started | 2025-08-21 06:01:48.722880 |
|---|---|
| Analysis finished | 2025-08-21 06:01:53.084983 |
| Duration | 4.36 seconds |
| Software version | ydata-profiling vv4.16.1 |
| Download configuration | config.json |
Variables
ID
Real number (ℝ)
High correlation Unique
| Distinct | 333 |
|---|---|
| Distinct (%) | 100.0% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 250.95195 |
| Minimum | 1 |
|---|---|
| Maximum | 506 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 2.7 KiB |
Quantile statistics
| Minimum | 1 |
|---|---|
| 5-th percentile | 26.4 |
| Q1 | 123 |
| median | 244 |
| Q3 | 377 |
| 95-th percentile | 480.4 |
| Maximum | 506 |
| Range | 505 |
| Interquartile range (IQR) | 254 |
Descriptive statistics
| Standard deviation | 147.85944 |
|---|---|
| Coefficient of variation (CV) | 0.58919421 |
| Kurtosis | -1.2319882 |
| Mean | 250.95195 |
| Median Absolute Deviation (MAD) | 127 |
| Skewness | 0.06411292 |
| Sum | 83567 |
| Variance | 21862.413 |
| Monotonicity | Strictly increasing |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 1 | 1 | 0.3% |
| 345 | 1 | 0.3% |
| 343 | 1 | 0.3% |
| 342 | 1 | 0.3% |
| 341 | 1 | 0.3% |
| 340 | 1 | 0.3% |
| 339 | 1 | 0.3% |
| 337 | 1 | 0.3% |
| 335 | 1 | 0.3% |
| 334 | 1 | 0.3% |
| Other values (323) | 323 |
| Value | Count | Frequency (%) |
| 1 | 1 | |
| 2 | 1 | |
| 4 | 1 | |
| 5 | 1 | |
| 7 | 1 | |
| 11 | 1 | |
| 12 | 1 | |
| 13 | 1 | |
| 14 | 1 | |
| 15 | 1 |
| Value | Count | Frequency (%) |
| 506 | 1 | |
| 504 | 1 | |
| 503 | 1 | |
| 502 | 1 | |
| 500 | 1 | |
| 498 | 1 | |
| 494 | 1 | |
| 493 | 1 | |
| 492 | 1 | |
| 491 | 1 |
crim
Real number (ℝ)
High correlation
| Distinct | 332 |
|---|---|
| Distinct (%) | 99.7% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 3.3603415 |
| Minimum | 0.00632 |
|---|---|
| Maximum | 73.5341 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 2.7 KiB |
Quantile statistics
| Minimum | 0.00632 |
|---|---|
| 5-th percentile | 0.023736 |
| Q1 | 0.07896 |
| median | 0.26169 |
| Q3 | 3.67822 |
| 95-th percentile | 15.22152 |
| Maximum | 73.5341 |
| Range | 73.52778 |
| Interquartile range (IQR) | 3.59926 |
Descriptive statistics
| Standard deviation | 7.3522718 |
|---|---|
| Coefficient of variation (CV) | 2.1879538 |
| Kurtosis | 30.924065 |
| Mean | 3.3603415 |
| Median Absolute Deviation (MAD) | 0.2312 |
| Skewness | 4.5989812 |
| Sum | 1118.9937 |
| Variance | 54.055901 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 0.01501 | 2 | 0.6% |
| 0.00632 | 1 | 0.3% |
| 0.04544 | 1 | 0.3% |
| 0.01301 | 1 | 0.3% |
| 0.06151 | 1 | 0.3% |
| 0.05497 | 1 | 0.3% |
| 0.03306 | 1 | 0.3% |
| 0.03427 | 1 | 0.3% |
| 0.03738 | 1 | 0.3% |
| 0.05083 | 1 | 0.3% |
| Other values (322) | 322 |
| Value | Count | Frequency (%) |
| 0.00632 | 1 | |
| 0.00906 | 1 | |
| 0.01096 | 1 | |
| 0.01301 | 1 | |
| 0.01311 | 1 | |
| 0.0136 | 1 | |
| 0.01432 | 1 | |
| 0.01439 | 1 | |
| 0.01501 | 2 | |
| 0.01778 | 1 |
| Value | Count | Frequency (%) |
| 73.5341 | 1 | |
| 45.7461 | 1 | |
| 38.3518 | 1 | |
| 37.6619 | 1 | |
| 28.6558 | 1 | |
| 25.9406 | 1 | |
| 25.0461 | 1 | |
| 24.8017 | 1 | |
| 24.3938 | 1 | |
| 22.5971 | 1 |
zn
Real number (ℝ)
High correlation Zeros
| Distinct | 25 |
|---|---|
| Distinct (%) | 7.5% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 10.689189 |
| Minimum | 0 |
|---|---|
| Maximum | 100 |
| Zeros | 248 |
| Zeros (%) | 74.5% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 2.7 KiB |
Quantile statistics
| Minimum | 0 |
|---|---|
| 5-th percentile | 0 |
| Q1 | 0 |
| median | 0 |
| Q3 | 12.5 |
| 95-th percentile | 77 |
| Maximum | 100 |
| Range | 100 |
| Interquartile range (IQR) | 12.5 |
Descriptive statistics
| Standard deviation | 22.674762 |
|---|---|
| Coefficient of variation (CV) | 2.1212799 |
| Kurtosis | 4.8793739 |
| Mean | 10.689189 |
| Median Absolute Deviation (MAD) | 0 |
| Skewness | 2.3740517 |
| Sum | 3559.5 |
| Variance | 514.14482 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=25)
| Value | Count | Frequency (%) |
| 0 | 248 | |
| 20 | 14 | 4.2% |
| 80 | 7 | 2.1% |
| 25 | 7 | 2.1% |
| 22 | 7 | 2.1% |
| 12.5 | 6 | 1.8% |
| 45 | 5 | 1.5% |
| 33 | 3 | 0.9% |
| 34 | 3 | 0.9% |
| 55 | 3 | 0.9% |
| Other values (15) | 30 | 9.0% |
| Value | Count | Frequency (%) |
| 0 | 248 | |
| 12.5 | 6 | 1.8% |
| 17.5 | 1 | 0.3% |
| 18 | 1 | 0.3% |
| 20 | 14 | 4.2% |
| 21 | 3 | 0.9% |
| 22 | 7 | 2.1% |
| 25 | 7 | 2.1% |
| 28 | 2 | 0.6% |
| 30 | 3 | 0.9% |
| Value | Count | Frequency (%) |
| 100 | 1 | 0.3% |
| 95 | 3 | |
| 90 | 3 | |
| 85 | 2 | 0.6% |
| 82.5 | 1 | 0.3% |
| 80 | 7 | |
| 75 | 3 | |
| 60 | 3 | |
| 55 | 3 | |
| 52.5 | 1 | 0.3% |
indus
Real number (ℝ)
High correlation
| Distinct | 68 |
|---|---|
| Distinct (%) | 20.4% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 11.293483 |
| Minimum | 0.74 |
|---|---|
| Maximum | 27.74 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 2.7 KiB |
Quantile statistics
| Minimum | 0.74 |
|---|---|
| 5-th percentile | 2.18 |
| Q1 | 5.13 |
| median | 9.9 |
| Q3 | 18.1 |
| 95-th percentile | 21.89 |
| Maximum | 27.74 |
| Range | 27 |
| Interquartile range (IQR) | 12.97 |
Descriptive statistics
| Standard deviation | 6.9981231 |
|---|---|
| Coefficient of variation (CV) | 0.61966028 |
| Kurtosis | -1.2402092 |
| Mean | 11.293483 |
| Median Absolute Deviation (MAD) | 6.57 |
| Skewness | 0.29043376 |
| Sum | 3760.73 |
| Variance | 48.973727 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 18.1 | 88 | |
| 19.58 | 21 | 6.3% |
| 6.2 | 14 | 4.2% |
| 8.14 | 13 | 3.9% |
| 21.89 | 10 | 3.0% |
| 9.9 | 9 | 2.7% |
| 8.56 | 8 | 2.4% |
| 3.97 | 8 | 2.4% |
| 6.91 | 7 | 2.1% |
| 5.86 | 7 | 2.1% |
| Other values (58) | 148 |
| Value | Count | Frequency (%) |
| 0.74 | 1 | |
| 1.21 | 1 | |
| 1.22 | 1 | |
| 1.25 | 1 | |
| 1.32 | 1 | |
| 1.38 | 1 | |
| 1.47 | 1 | |
| 1.52 | 2 | |
| 1.69 | 1 | |
| 1.76 | 1 |
| Value | Count | Frequency (%) |
| 27.74 | 4 | 1.2% |
| 25.65 | 6 | 1.8% |
| 21.89 | 10 | 3.0% |
| 19.58 | 21 | 6.3% |
| 18.1 | 88 | |
| 15.04 | 2 | 0.6% |
| 13.92 | 3 | 0.9% |
| 13.89 | 1 | 0.3% |
| 12.83 | 4 | 1.2% |
| 11.93 | 4 | 1.2% |
Length
| Max length | 1 |
|---|---|
| Median length | 1 |
| Mean length | 1 |
| Min length | 1 |
Unique
| Unique | 0 ? |
|---|---|
| Unique (%) | 0.0% |
Sample
| 1st row | 0 |
|---|---|
| 2nd row | 0 |
| 3rd row | 0 |
| 4th row | 0 |
| 5th row | 0 |
Common Values
| Value | Count | Frequency (%) |
| 0 | 313 | |
| 1 | 20 | 6.0% |
Length
Histogram of lengths of the category
Common Values (Plot)
| Value | Count | Frequency (%) |
| 0 | 313 | |
| 1 | 20 | 6.0% |
Most occurring characters
| Value | Count | Frequency (%) |
| 0 | 313 | |
| 1 | 20 | 6.0% |
Most occurring categories
| Value | Count | Frequency (%) |
| (unknown) | 333 |
Most frequent character per category
(unknown)
| Value | Count | Frequency (%) |
| 0 | 313 | |
| 1 | 20 | 6.0% |
Most occurring scripts
| Value | Count | Frequency (%) |
| (unknown) | 333 |
Most frequent character per script
(unknown)
| Value | Count | Frequency (%) |
| 0 | 313 | |
| 1 | 20 | 6.0% |
Most occurring blocks
| Value | Count | Frequency (%) |
| (unknown) | 333 |
Most frequent character per block
(unknown)
| Value | Count | Frequency (%) |
| 0 | 313 | |
| 1 | 20 | 6.0% |
nox
Real number (ℝ)
High correlation
| Distinct | 77 |
|---|---|
| Distinct (%) | 23.1% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 0.55714414 |
| Minimum | 0.385 |
|---|---|
| Maximum | 0.871 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 2.7 KiB |
Quantile statistics
| Minimum | 0.385 |
|---|---|
| 5-th percentile | 0.411 |
| Q1 | 0.453 |
| median | 0.538 |
| Q3 | 0.631 |
| 95-th percentile | 0.74 |
| Maximum | 0.871 |
| Range | 0.486 |
| Interquartile range (IQR) | 0.178 |
Descriptive statistics
| Standard deviation | 0.11495451 |
|---|---|
| Coefficient of variation (CV) | 0.20632813 |
| Kurtosis | -0.1040713 |
| Mean | 0.55714414 |
| Median Absolute Deviation (MAD) | 0.086 |
| Skewness | 0.70555166 |
| Sum | 185.529 |
| Variance | 0.013214539 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 0.538 | 14 | 4.2% |
| 0.713 | 14 | 4.2% |
| 0.437 | 12 | 3.6% |
| 0.605 | 11 | 3.3% |
| 0.871 | 10 | 3.0% |
| 0.624 | 10 | 3.0% |
| 0.544 | 9 | 2.7% |
| 0.489 | 9 | 2.7% |
| 0.74 | 9 | 2.7% |
| 0.7 | 8 | 2.4% |
| Other values (67) | 227 |
| Value | Count | Frequency (%) |
| 0.385 | 1 | 0.3% |
| 0.389 | 1 | 0.3% |
| 0.398 | 2 | |
| 0.4 | 1 | 0.3% |
| 0.401 | 3 | |
| 0.403 | 2 | |
| 0.404 | 1 | 0.3% |
| 0.405 | 1 | 0.3% |
| 0.409 | 2 | |
| 0.41 | 2 |
| Value | Count | Frequency (%) |
| 0.871 | 10 | |
| 0.77 | 6 | |
| 0.74 | 9 | |
| 0.718 | 3 | 0.9% |
| 0.713 | 14 | |
| 0.7 | 8 | |
| 0.693 | 7 | |
| 0.679 | 7 | |
| 0.671 | 2 | 0.6% |
| 0.668 | 3 | 0.9% |
rm
Real number (ℝ)
High correlation
| Distinct | 308 |
|---|---|
| Distinct (%) | 92.5% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 6.2656186 |
| Minimum | 3.561 |
|---|---|
| Maximum | 8.725 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 2.7 KiB |
Quantile statistics
| Minimum | 3.561 |
|---|---|
| 5-th percentile | 5.2376 |
| Q1 | 5.884 |
| median | 6.202 |
| Q3 | 6.595 |
| 95-th percentile | 7.5014 |
| Maximum | 8.725 |
| Range | 5.164 |
| Interquartile range (IQR) | 0.711 |
Descriptive statistics
| Standard deviation | 0.70395158 |
|---|---|
| Coefficient of variation (CV) | 0.11235149 |
| Kurtosis | 2.0517526 |
| Mean | 6.2656186 |
| Median Absolute Deviation (MAD) | 0.333 |
| Skewness | 0.28402752 |
| Sum | 2086.451 |
| Variance | 0.49554782 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 6.229 | 3 | 0.9% |
| 6.127 | 3 | 0.9% |
| 6.417 | 2 | 0.6% |
| 6.405 | 2 | 0.6% |
| 5.854 | 2 | 0.6% |
| 6.144 | 2 | 0.6% |
| 6.03 | 2 | 0.6% |
| 5.304 | 2 | 0.6% |
| 5.888 | 2 | 0.6% |
| 5.713 | 2 | 0.6% |
| Other values (298) | 311 |
| Value | Count | Frequency (%) |
| 3.561 | 1 | |
| 3.863 | 1 | |
| 4.138 | 1 | |
| 4.368 | 1 | |
| 4.519 | 1 | |
| 4.652 | 1 | |
| 4.906 | 1 | |
| 4.926 | 1 | |
| 4.963 | 1 | |
| 4.97 | 1 |
| Value | Count | Frequency (%) |
| 8.725 | 1 | |
| 8.398 | 1 | |
| 8.375 | 1 | |
| 8.337 | 1 | |
| 8.266 | 1 | |
| 8.259 | 1 | |
| 8.247 | 1 | |
| 8.04 | 1 | |
| 8.034 | 1 | |
| 7.929 | 1 |
age
Real number (ℝ)
High correlation
| Distinct | 260 |
|---|---|
| Distinct (%) | 78.1% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 68.226426 |
| Minimum | 6 |
|---|---|
| Maximum | 100 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 2.7 KiB |
Quantile statistics
| Minimum | 6 |
|---|---|
| 5-th percentile | 17.62 |
| Q1 | 45.4 |
| median | 76.7 |
| Q3 | 93.8 |
| 95-th percentile | 100 |
| Maximum | 100 |
| Range | 94 |
| Interquartile range (IQR) | 48.4 |
Descriptive statistics
| Standard deviation | 28.133344 |
|---|---|
| Coefficient of variation (CV) | 0.41235259 |
| Kurtosis | -0.93608546 |
| Mean | 68.226426 |
| Median Absolute Deviation (MAD) | 20 |
| Skewness | -0.60464361 |
| Sum | 22719.4 |
| Variance | 791.48502 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 100 | 26 | 7.8% |
| 96 | 4 | 1.2% |
| 76.5 | 3 | 0.9% |
| 97.3 | 3 | 0.9% |
| 21.4 | 3 | 0.9% |
| 95.4 | 3 | 0.9% |
| 98.8 | 3 | 0.9% |
| 95.6 | 3 | 0.9% |
| 84.1 | 2 | 0.6% |
| 97 | 2 | 0.6% |
| Other values (250) | 281 |
| Value | Count | Frequency (%) |
| 6 | 1 | |
| 6.2 | 1 | |
| 6.5 | 1 | |
| 6.6 | 2 | |
| 7.8 | 2 | |
| 8.4 | 1 | |
| 8.9 | 1 | |
| 9.8 | 1 | |
| 9.9 | 1 | |
| 13 | 1 |
| Value | Count | Frequency (%) |
| 100 | 26 | |
| 99.3 | 1 | 0.3% |
| 98.9 | 1 | 0.3% |
| 98.8 | 3 | 0.9% |
| 98.7 | 1 | 0.3% |
| 98.5 | 1 | 0.3% |
| 98.4 | 2 | 0.6% |
| 98.2 | 2 | 0.6% |
| 98.1 | 1 | 0.3% |
| 98 | 1 | 0.3% |
dis
Real number (ℝ)
High correlation
| Distinct | 295 |
|---|---|
| Distinct (%) | 88.6% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 3.7099336 |
| Minimum | 1.1296 |
|---|---|
| Maximum | 10.7103 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 2.7 KiB |
Quantile statistics
| Minimum | 1.1296 |
|---|---|
| 5-th percentile | 1.5022 |
| Q1 | 2.1224 |
| median | 3.0923 |
| Q3 | 5.1167 |
| 95-th percentile | 7.49938 |
| Maximum | 10.7103 |
| Range | 9.5807 |
| Interquartile range (IQR) | 2.9943 |
Descriptive statistics
| Standard deviation | 1.9811231 |
|---|---|
| Coefficient of variation (CV) | 0.53400498 |
| Kurtosis | 0.11355108 |
| Mean | 3.7099336 |
| Median Absolute Deviation (MAD) | 1.1622 |
| Skewness | 0.93814296 |
| Sum | 1235.4079 |
| Variance | 3.9248485 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 5.4007 | 3 | 0.9% |
| 4.8122 | 3 | 0.9% |
| 3.6519 | 3 | 0.9% |
| 5.2873 | 3 | 0.9% |
| 6.8147 | 3 | 0.9% |
| 5.4917 | 3 | 0.9% |
| 5.7209 | 3 | 0.9% |
| 6.4798 | 3 | 0.9% |
| 5.118 | 2 | 0.6% |
| 3.9454 | 2 | 0.6% |
| Other values (285) | 305 |
| Value | Count | Frequency (%) |
| 1.1296 | 1 | |
| 1.137 | 1 | |
| 1.1691 | 1 | |
| 1.1742 | 1 | |
| 1.2024 | 1 | |
| 1.2852 | 1 | |
| 1.3216 | 1 | |
| 1.3325 | 1 | |
| 1.3449 | 1 | |
| 1.358 | 1 |
| Value | Count | Frequency (%) |
| 10.7103 | 1 | |
| 9.2229 | 1 | |
| 9.1876 | 1 | |
| 9.0892 | 1 | |
| 8.9067 | 1 | |
| 8.7921 | 1 | |
| 8.6966 | 1 | |
| 8.5353 | 1 | |
| 8.344 | 1 | |
| 8.3248 | 1 |
rad
Real number (ℝ)
High correlation
| Distinct | 9 |
|---|---|
| Distinct (%) | 2.7% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 9.6336336 |
| Minimum | 1 |
|---|---|
| Maximum | 24 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 2.7 KiB |
Quantile statistics
| Minimum | 1 |
|---|---|
| 5-th percentile | 2 |
| Q1 | 4 |
| median | 5 |
| Q3 | 24 |
| 95-th percentile | 24 |
| Maximum | 24 |
| Range | 23 |
| Interquartile range (IQR) | 20 |
Descriptive statistics
| Standard deviation | 8.7421743 |
|---|---|
| Coefficient of variation (CV) | 0.90746386 |
| Kurtosis | -0.90867887 |
| Mean | 9.6336336 |
| Median Absolute Deviation (MAD) | 2 |
| Skewness | 0.98325763 |
| Sum | 3208 |
| Variance | 76.425612 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=9)
| Value | Count | Frequency (%) |
| 24 | 88 | |
| 5 | 76 | |
| 4 | 70 | |
| 3 | 27 | 8.1% |
| 8 | 18 | 5.4% |
| 1 | 14 | 4.2% |
| 2 | 14 | 4.2% |
| 6 | 13 | 3.9% |
| 7 | 13 | 3.9% |
| Value | Count | Frequency (%) |
| 1 | 14 | 4.2% |
| 2 | 14 | 4.2% |
| 3 | 27 | 8.1% |
| 4 | 70 | |
| 5 | 76 | |
| 6 | 13 | 3.9% |
| 7 | 13 | 3.9% |
| 8 | 18 | 5.4% |
| 24 | 88 |
| Value | Count | Frequency (%) |
| 24 | 88 | |
| 8 | 18 | 5.4% |
| 7 | 13 | 3.9% |
| 6 | 13 | 3.9% |
| 5 | 76 | |
| 4 | 70 | |
| 3 | 27 | 8.1% |
| 2 | 14 | 4.2% |
| 1 | 14 | 4.2% |
tax
Real number (ℝ)
High correlation
| Distinct | 59 |
|---|---|
| Distinct (%) | 17.7% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 409.27928 |
| Minimum | 188 |
|---|---|
| Maximum | 711 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 2.7 KiB |
Quantile statistics
| Minimum | 188 |
|---|---|
| 5-th percentile | 219.6 |
| Q1 | 279 |
| median | 330 |
| Q3 | 666 |
| 95-th percentile | 666 |
| Maximum | 711 |
| Range | 523 |
| Interquartile range (IQR) | 387 |
Descriptive statistics
| Standard deviation | 170.84199 |
|---|---|
| Coefficient of variation (CV) | 0.41742154 |
| Kurtosis | -1.1907888 |
| Mean | 409.27928 |
| Median Absolute Deviation (MAD) | 78 |
| Skewness | 0.63302676 |
| Sum | 136290 |
| Variance | 29186.985 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 666 | 88 | |
| 307 | 27 | 8.1% |
| 403 | 21 | 6.3% |
| 437 | 10 | 3.0% |
| 398 | 9 | 2.7% |
| 304 | 9 | 2.7% |
| 296 | 8 | 2.4% |
| 224 | 8 | 2.4% |
| 264 | 8 | 2.4% |
| 384 | 8 | 2.4% |
| Other values (49) | 137 |
| Value | Count | Frequency (%) |
| 188 | 6 | |
| 193 | 6 | |
| 198 | 1 | 0.3% |
| 216 | 4 | |
| 222 | 5 | |
| 223 | 3 | 0.9% |
| 224 | 8 | |
| 226 | 1 | 0.3% |
| 233 | 7 | |
| 241 | 1 | 0.3% |
| Value | Count | Frequency (%) |
| 711 | 4 | 1.2% |
| 666 | 88 | |
| 469 | 1 | 0.3% |
| 437 | 10 | 3.0% |
| 432 | 6 | 1.8% |
| 430 | 2 | 0.6% |
| 422 | 1 | 0.3% |
| 411 | 1 | 0.3% |
| 403 | 21 | 6.3% |
| 402 | 1 | 0.3% |
ptratio
Real number (ℝ)
High correlation
| Distinct | 42 |
|---|---|
| Distinct (%) | 12.6% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 18.448048 |
| Minimum | 12.6 |
|---|---|
| Maximum | 21.2 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 2.7 KiB |
Quantile statistics
| Minimum | 12.6 |
|---|---|
| 5-th percentile | 14.7 |
| Q1 | 17.4 |
| median | 19 |
| Q3 | 20.2 |
| 95-th percentile | 21 |
| Maximum | 21.2 |
| Range | 8.6 |
| Interquartile range (IQR) | 2.8 |
Descriptive statistics
| Standard deviation | 2.1518213 |
|---|---|
| Coefficient of variation (CV) | 0.11664222 |
| Kurtosis | -0.35255041 |
| Mean | 18.448048 |
| Median Absolute Deviation (MAD) | 1.2 |
| Skewness | -0.78983814 |
| Sum | 6143.2 |
| Variance | 4.630335 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=42)
| Value | Count | Frequency (%) |
| 20.2 | 94 | |
| 14.7 | 24 | 7.2% |
| 21 | 17 | 5.1% |
| 17.8 | 16 | 4.8% |
| 17.4 | 14 | 4.2% |
| 19.1 | 13 | 3.9% |
| 18.4 | 12 | 3.6% |
| 16.6 | 11 | 3.3% |
| 18.6 | 10 | 3.0% |
| 21.2 | 10 | 3.0% |
| Other values (32) | 112 |
| Value | Count | Frequency (%) |
| 12.6 | 1 | 0.3% |
| 13 | 8 | 2.4% |
| 13.6 | 1 | 0.3% |
| 14.7 | 24 | |
| 14.9 | 3 | 0.9% |
| 15.1 | 1 | 0.3% |
| 15.2 | 9 | 2.7% |
| 15.3 | 3 | 0.9% |
| 15.5 | 1 | 0.3% |
| 15.6 | 2 | 0.6% |
| Value | Count | Frequency (%) |
| 21.2 | 10 | 3.0% |
| 21.1 | 1 | 0.3% |
| 21 | 17 | 5.1% |
| 20.9 | 8 | 2.4% |
| 20.2 | 94 | |
| 20.1 | 4 | 1.2% |
| 19.7 | 5 | 1.5% |
| 19.6 | 4 | 1.2% |
| 19.2 | 9 | 2.7% |
| 19.1 | 13 | 3.9% |
black
Real number (ℝ)
| Distinct | 237 |
|---|---|
| Distinct (%) | 71.2% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 359.4661 |
| Minimum | 3.5 |
|---|---|
| Maximum | 396.9 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 2.7 KiB |
Quantile statistics
| Minimum | 3.5 |
|---|---|
| 5-th percentile | 97.462 |
| Q1 | 376.73 |
| median | 392.05 |
| Q3 | 396.24 |
| 95-th percentile | 396.9 |
| Maximum | 396.9 |
| Range | 393.4 |
| Interquartile range (IQR) | 19.51 |
Descriptive statistics
| Standard deviation | 86.584567 |
|---|---|
| Coefficient of variation (CV) | 0.24086991 |
| Kurtosis | 8.0184665 |
| Mean | 359.4661 |
| Median Absolute Deviation (MAD) | 4.85 |
| Skewness | -2.9984217 |
| Sum | 119702.21 |
| Variance | 7496.8872 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 396.9 | 79 | 23.7% |
| 395.24 | 3 | 0.9% |
| 395.63 | 2 | 0.6% |
| 377.07 | 2 | 0.6% |
| 392.8 | 2 | 0.6% |
| 394.72 | 2 | 0.6% |
| 393.37 | 2 | 0.6% |
| 389.71 | 2 | 0.6% |
| 393.68 | 2 | 0.6% |
| 393.23 | 2 | 0.6% |
| Other values (227) | 235 |
| Value | Count | Frequency (%) |
| 3.5 | 1 | |
| 3.65 | 1 | |
| 7.68 | 1 | |
| 9.32 | 1 | |
| 16.45 | 1 | |
| 18.82 | 1 | |
| 22.01 | 1 | |
| 27.25 | 1 | |
| 43.06 | 1 | |
| 48.45 | 1 |
| Value | Count | Frequency (%) |
| 396.9 | 79 | |
| 396.42 | 1 | 0.3% |
| 396.33 | 1 | 0.3% |
| 396.3 | 1 | 0.3% |
| 396.28 | 1 | 0.3% |
| 396.24 | 1 | 0.3% |
| 396.21 | 2 | 0.6% |
| 396.14 | 1 | 0.3% |
| 396.06 | 1 | 0.3% |
| 395.99 | 1 | 0.3% |
lstat
Real number (ℝ)
High correlation
| Distinct | 310 |
|---|---|
| Distinct (%) | 93.1% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 12.515435 |
| Minimum | 1.73 |
|---|---|
| Maximum | 37.97 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 2.7 KiB |
Quantile statistics
| Minimum | 1.73 |
|---|---|
| 5-th percentile | 3.656 |
| Q1 | 7.18 |
| median | 10.97 |
| Q3 | 16.42 |
| 95-th percentile | 26.692 |
| Maximum | 37.97 |
| Range | 36.24 |
| Interquartile range (IQR) | 9.24 |
Descriptive statistics
| Standard deviation | 7.0677808 |
|---|---|
| Coefficient of variation (CV) | 0.56472512 |
| Kurtosis | 0.74869625 |
| Mean | 12.515435 |
| Median Absolute Deviation (MAD) | 4.41 |
| Skewness | 0.97832756 |
| Sum | 4167.64 |
| Variance | 49.953525 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 18.13 | 3 | 0.9% |
| 5.68 | 2 | 0.6% |
| 6.36 | 2 | 0.6% |
| 5.5 | 2 | 0.6% |
| 7.39 | 2 | 0.6% |
| 9.97 | 2 | 0.6% |
| 23.98 | 2 | 0.6% |
| 7.79 | 2 | 0.6% |
| 14.1 | 2 | 0.6% |
| 3.95 | 2 | 0.6% |
| Other values (300) | 312 |
| Value | Count | Frequency (%) |
| 1.73 | 1 | |
| 1.98 | 1 | |
| 2.47 | 1 | |
| 2.87 | 1 | |
| 2.88 | 1 | |
| 2.94 | 1 | |
| 2.96 | 1 | |
| 3.01 | 1 | |
| 3.13 | 1 | |
| 3.16 | 2 |
| Value | Count | Frequency (%) |
| 37.97 | 1 | |
| 36.98 | 1 | |
| 34.77 | 1 | |
| 34.41 | 1 | |
| 31.99 | 1 | |
| 30.63 | 1 | |
| 30.59 | 1 | |
| 29.68 | 1 | |
| 29.55 | 1 | |
| 29.53 | 1 |
medv
Real number (ℝ)
High correlation
| Distinct | 192 |
|---|---|
| Distinct (%) | 57.7% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 22.768769 |
| Minimum | 5 |
|---|---|
| Maximum | 50 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 2.7 KiB |
Quantile statistics
| Minimum | 5 |
|---|---|
| 5-th percentile | 10.5 |
| Q1 | 17.4 |
| median | 21.6 |
| Q3 | 25 |
| 95-th percentile | 43.26 |
| Maximum | 50 |
| Range | 45 |
| Interquartile range (IQR) | 7.6 |
Descriptive statistics
| Standard deviation | 9.173468 |
|---|---|
| Coefficient of variation (CV) | 0.40289697 |
| Kurtosis | 1.558037 |
| Mean | 22.768769 |
| Median Absolute Deviation (MAD) | 3.9 |
| Skewness | 1.1224717 |
| Sum | 7582 |
| Variance | 84.152516 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 50 | 11 | 3.3% |
| 20.6 | 5 | 1.5% |
| 19.4 | 5 | 1.5% |
| 17.8 | 5 | 1.5% |
| 25 | 5 | 1.5% |
| 22 | 5 | 1.5% |
| 23.1 | 5 | 1.5% |
| 23.9 | 5 | 1.5% |
| 19.3 | 5 | 1.5% |
| 21.4 | 4 | 1.2% |
| Other values (182) | 278 |
| Value | Count | Frequency (%) |
| 5 | 1 | |
| 5.6 | 1 | |
| 7 | 1 | |
| 7.2 | 2 | |
| 7.4 | 1 | |
| 8.1 | 1 | |
| 8.3 | 2 | |
| 8.4 | 1 | |
| 8.7 | 1 | |
| 8.8 | 2 |
| Value | Count | Frequency (%) |
| 50 | 11 | |
| 48.8 | 1 | 0.3% |
| 48.5 | 1 | 0.3% |
| 48.3 | 1 | 0.3% |
| 46 | 1 | 0.3% |
| 44.8 | 1 | 0.3% |
| 43.5 | 1 | 0.3% |
| 43.1 | 1 | 0.3% |
| 42.8 | 1 | 0.3% |
| 41.7 | 1 | 0.3% |
Interactions
Correlations
| ID | age | black | chas | crim | dis | indus | lstat | medv | nox | ptratio | rad | rm | tax | zn | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID | 1.000 | 0.247 | -0.115 | 0.278 | 0.483 | -0.390 | 0.336 | 0.268 | -0.265 | 0.468 | 0.305 | 0.598 | -0.060 | 0.544 | -0.195 |
| age | 0.247 | 1.000 | -0.224 | 0.000 | 0.688 | -0.820 | 0.676 | 0.649 | -0.555 | 0.798 | 0.366 | 0.402 | -0.304 | 0.539 | -0.541 |
| black | -0.115 | -0.224 | 1.000 | 0.000 | -0.344 | 0.245 | -0.295 | -0.197 | 0.138 | -0.287 | -0.017 | -0.272 | 0.055 | -0.295 | 0.170 |
| chas | 0.278 | 0.000 | 0.000 | 1.000 | 0.000 | 0.000 | 0.054 | 0.000 | 0.212 | 0.152 | 0.316 | 0.141 | 0.000 | 0.000 | 0.000 |
| crim | 0.483 | 0.688 | -0.344 | 0.000 | 1.000 | -0.716 | 0.716 | 0.628 | -0.534 | 0.810 | 0.448 | 0.744 | -0.366 | 0.734 | -0.562 |
| dis | -0.390 | -0.820 | 0.245 | 0.000 | -0.716 | 1.000 | -0.747 | -0.568 | 0.440 | -0.871 | -0.313 | -0.454 | 0.331 | -0.563 | 0.604 |
| indus | 0.336 | 0.676 | -0.295 | 0.054 | 0.716 | -0.747 | 1.000 | 0.641 | -0.579 | 0.776 | 0.440 | 0.426 | -0.478 | 0.663 | -0.636 |
| lstat | 0.268 | 0.649 | -0.197 | 0.000 | 0.628 | -0.568 | 0.641 | 1.000 | -0.865 | 0.638 | 0.464 | 0.377 | -0.646 | 0.536 | -0.472 |
| medv | -0.265 | -0.555 | 0.138 | 0.212 | -0.534 | 0.440 | -0.579 | -0.865 | 1.000 | -0.557 | -0.538 | -0.307 | 0.635 | -0.542 | 0.436 |
| nox | 0.468 | 0.798 | -0.287 | 0.152 | 0.810 | -0.871 | 0.776 | 0.638 | -0.557 | 1.000 | 0.388 | 0.573 | -0.362 | 0.660 | -0.619 |
| ptratio | 0.305 | 0.366 | -0.017 | 0.316 | 0.448 | -0.313 | 0.440 | 0.464 | -0.538 | 0.388 | 1.000 | 0.311 | -0.335 | 0.449 | -0.438 |
| rad | 0.598 | 0.402 | -0.272 | 0.141 | 0.744 | -0.454 | 0.426 | 0.377 | -0.307 | 0.573 | 0.311 | 1.000 | -0.137 | 0.718 | -0.263 |
| rm | -0.060 | -0.304 | 0.055 | 0.000 | -0.366 | 0.331 | -0.478 | -0.646 | 0.635 | -0.362 | -0.335 | -0.137 | 1.000 | -0.320 | 0.399 |
| tax | 0.544 | 0.539 | -0.295 | 0.000 | 0.734 | -0.563 | 0.663 | 0.536 | -0.542 | 0.660 | 0.449 | 0.718 | -0.320 | 1.000 | -0.372 |
| zn | -0.195 | -0.541 | 0.170 | 0.000 | -0.562 | 0.604 | -0.636 | -0.472 | 0.436 | -0.619 | -0.438 | -0.263 | 0.399 | -0.372 | 1.000 |
Missing values
A simple visualization of nullity by column.
Nullity matrix is a data-dense display which lets you quickly visually pick out patterns in data completion.
Sample
| ID | crim | zn | indus | chas | nox | rm | age | dis | rad | tax | ptratio | black | lstat | medv | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 1 | 0.00632 | 18.0 | 2.31 | 0 | 0.538 | 6.575 | 65.2 | 4.0900 | 1 | 296 | 15.3 | 396.90 | 4.98 | 24.0 |
| 1 | 2 | 0.02731 | 0.0 | 7.07 | 0 | 0.469 | 6.421 | 78.9 | 4.9671 | 2 | 242 | 17.8 | 396.90 | 9.14 | 21.6 |
| 2 | 4 | 0.03237 | 0.0 | 2.18 | 0 | 0.458 | 6.998 | 45.8 | 6.0622 | 3 | 222 | 18.7 | 394.63 | 2.94 | 33.4 |
| 3 | 5 | 0.06905 | 0.0 | 2.18 | 0 | 0.458 | 7.147 | 54.2 | 6.0622 | 3 | 222 | 18.7 | 396.90 | 5.33 | 36.2 |
| 4 | 7 | 0.08829 | 12.5 | 7.87 | 0 | 0.524 | 6.012 | 66.6 | 5.5605 | 5 | 311 | 15.2 | 395.60 | 12.43 | 22.9 |
| 5 | 11 | 0.22489 | 12.5 | 7.87 | 0 | 0.524 | 6.377 | 94.3 | 6.3467 | 5 | 311 | 15.2 | 392.52 | 20.45 | 15.0 |
| 6 | 12 | 0.11747 | 12.5 | 7.87 | 0 | 0.524 | 6.009 | 82.9 | 6.2267 | 5 | 311 | 15.2 | 396.90 | 13.27 | 18.9 |
| 7 | 13 | 0.09378 | 12.5 | 7.87 | 0 | 0.524 | 5.889 | 39.0 | 5.4509 | 5 | 311 | 15.2 | 390.50 | 15.71 | 21.7 |
| 8 | 14 | 0.62976 | 0.0 | 8.14 | 0 | 0.538 | 5.949 | 61.8 | 4.7075 | 4 | 307 | 21.0 | 396.90 | 8.26 | 20.4 |
| 9 | 15 | 0.63796 | 0.0 | 8.14 | 0 | 0.538 | 6.096 | 84.5 | 4.4619 | 4 | 307 | 21.0 | 380.02 | 10.26 | 18.2 |
| ID | crim | zn | indus | chas | nox | rm | age | dis | rad | tax | ptratio | black | lstat | medv | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 323 | 491 | 0.20746 | 0.0 | 27.74 | 0 | 0.609 | 5.093 | 98.0 | 1.8226 | 4 | 711 | 20.1 | 318.43 | 29.68 | 8.1 |
| 324 | 492 | 0.10574 | 0.0 | 27.74 | 0 | 0.609 | 5.983 | 98.8 | 1.8681 | 4 | 711 | 20.1 | 390.11 | 18.07 | 13.6 |
| 325 | 493 | 0.11132 | 0.0 | 27.74 | 0 | 0.609 | 5.983 | 83.5 | 2.1099 | 4 | 711 | 20.1 | 396.90 | 13.35 | 20.1 |
| 326 | 494 | 0.17331 | 0.0 | 9.69 | 0 | 0.585 | 5.707 | 54.0 | 2.3817 | 6 | 391 | 19.2 | 396.90 | 12.01 | 21.8 |
| 327 | 498 | 0.26838 | 0.0 | 9.69 | 0 | 0.585 | 5.794 | 70.6 | 2.8927 | 6 | 391 | 19.2 | 396.90 | 14.10 | 18.3 |
| 328 | 500 | 0.17783 | 0.0 | 9.69 | 0 | 0.585 | 5.569 | 73.5 | 2.3999 | 6 | 391 | 19.2 | 395.77 | 15.10 | 17.5 |
| 329 | 502 | 0.06263 | 0.0 | 11.93 | 0 | 0.573 | 6.593 | 69.1 | 2.4786 | 1 | 273 | 21.0 | 391.99 | 9.67 | 22.4 |
| 330 | 503 | 0.04527 | 0.0 | 11.93 | 0 | 0.573 | 6.120 | 76.7 | 2.2875 | 1 | 273 | 21.0 | 396.90 | 9.08 | 20.6 |
| 331 | 504 | 0.06076 | 0.0 | 11.93 | 0 | 0.573 | 6.976 | 91.0 | 2.1675 | 1 | 273 | 21.0 | 396.90 | 5.64 | 23.9 |
| 332 | 506 | 0.04741 | 0.0 | 11.93 | 0 | 0.573 | 6.030 | 80.8 | 2.5050 | 1 | 273 | 21.0 | 396.90 | 7.88 | 11.9 |